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- Looking at the descriptives (first information), do you see
differences in the mean alcohol contents for the three levels of
- Looking at the Test for Homogeneity of Variances (Levene Statistic),
is it reasonable to proceed with the ANOVA? Is the assumption met, or
violated? How do you know?
- Looking at the results of the ANOVA, is there a significant
difference in the mean alcohol content for beers in the three quality
groups? How do you know? Write the results in the following format: F(df value) = ___, p value = ______.
- The pairwise post hoc tests indicate which quality groups’ means are
statistically significantly different for the others. Using the results
of the Tukey HSD post hoc test, what two quality rating groups had
significantly different mean alcohol by volume levels? How do you know?